As presented in the passage, McGill's account of the formation of Mars's northern basin differs from the other mentioned in that it alone A. explains the formation of certain northern bedrock features B. does not specify the force that caused the northern basin to be lower than its surroundings C. takes the northern basin to be a landform that is not analogous to any found on Earth D. denies that features around the northern basin are the result of tectonic activity E. attributes the creation of the northern lowlands to processes occurring within the planet